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Ellis County
2024 Confidence Interval Detail
Ellis County
070-905/Ferris ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 227,230,729 | 0.9210 | 246,721,747 | 21 | 1,292 | 0.022466707 |
| A | 3 | 287,025,240 | 1.0126 | 283,453,723 | 58 | 1,007 | 0.007448042 |
| A | 4 | 217,687,330 | 1.0299 | 211,367,443 | 31 | 593 | 0.007030297 |
| A | 5 | 170,372,922 | 1.0920 | 156,019,159 | 15 | 324 | 0.017708746 |
| E | 0 | 213,794,216 | 0.9128 | 234,218,028 | 20 | 723 | 0.049473498 |
| F1 | 2 | 19,247,375 | 1.0702 | 17,984,839 | 10 | 58 | 0.086909355 |
| F1 | 3 | 17,094,434 | 0.7667 | 22,296,118 | 8 | 23 | 0.132082682 |
| F1 | 4 | 20,975,468 | 1.0139 | 20,687,906 | 6 | 13 | 0.004135541 |
| F1 | 5 | 22,248,895 | 1.1502 | 19,343,501 | 3 | 7 | 0.039904662 |
| Random Totals: | 1,195,676,609 | 1,212,092,464 | 172 | 4,040 | |||
| CATG D1 EXCEPTION VALUES: | 7,204,735 | 3,346,760 | |||||
| Total Test Values | 1,202,881,344 | 1,215,439,224 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 60,771,961 |
Confidence Interval Values(5)
| Local Test Value: | 1,202,881,344 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,154,667,263 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,276,211,185 | (State Test Value plus Margin of Error Percent) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values